*{
    padding: 0px;
    margin: 0px;
}
#nav{
    background-color: gray;
    width: 4%;
    height: 100%;
    position: fixed;
    padding-top: 8%;
    transition: width 0.3s;
}
.content{
    height: 9%;
    width: 400%;
    margin-bottom: 30%;
}
.content-left{
    width: 25%;
    height: 90%;
    float: left;
    padding-top: 2.5%;
    text-align: center;
}
.content-right{
    margin-left: 100%;
    width: 500%;
    height: 20%;
    float: left;
    background-color: #117a8b;
    display: none;
    position: absolute;
}
#button{
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
    background-color: red;
    border: 0px;
}



